Home / 30,101.38-45,155.04-10,377.34

Finding the Fourth Proportional to 30,101.38, 45,155.04 and 10,377.34

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Solution

The fourth proportional to 30,101.38, 45,155.04 and 10,377.34 is: 15,567.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,101.38 : 45,155.04 = 10,377.34 : x
  2. Step 2: Convert to fraction form
    30,101.38/45,155.04 = 10,377.34/x
  3. Step 3: Cross multiply
    30,101.38x = 45,155.04 × 10,377.34
  4. Step 4: Simplify right side
    30,101.38x = 468,589,202.79
  5. Step 5: Solve for x
    x = 468,589,202.79/30,101.38
  6. Step 6: Final answer
    x = 15,567.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.